Resolving SSL Certificate Errors in vCenter Server: A Look at VMware KB 55798
VMware KB 55798 outlines that installing or upgrading VMware Tools 10.3.x on Windows often fails or hangs due to missing dependencies, specifically the Microsoft Visual C++ 2017 Redistributable, requiring a system reboot or specific OS updates. Key solutions include restarting the guest OS, ensuring KB2919355 is installed on Windows 8.1/Server 2012 R2, and removing conflicting software like Microsoft Document Explorer 2008. Read the full analysis at vinfrastructure.it Broadcom Community
VMware KB 55798 – STS certificate untrusted or expired (requires VMware account login)
(now often consolidated into broader VMDK troubleshooting articles but historically referenced by its original ID) addresses a critical error: “The system cannot find the file specified” or “A file was not found” when attempting to power on a VM. The core problem? A missing or inaccessible descriptor file for a virtual disk (VMDK). vmware kb 55798
While VMware’s KB system has been reorganized over the years (many older KBs are merged into new ones), the legacy ID remains a powerful search term for administrators encountering disk descriptor corruption on VMFS (Virtual Machine File System) datastores.
These vulnerabilities are particularly concerning, as they can be exploited by attackers to gain unauthorized access to sensitive data, disrupt critical systems, or even deploy malware.
If the -flat.vmdk is present → Proceed to Phase 2. Resolving SSL Certificate Errors in vCenter Server: A
The article targets an error message similar to:
If left unpatched, these vulnerabilities can have severe consequences for organizations using VMware's virtualization software. An attacker exploiting these vulnerabilities could:
Effective patch management is critical to ensuring the security and stability of IT systems. The following best practices can be applied to patch management: The core problem
For linked clones (Linked Clone VMs, Instant Clones), the parent disk descriptor may be missing. Recovery is more complex and often requires replicating from the parent VM’s descriptor with adjusted CID (Content ID) values.
You should suspect this exact issue if you observe the following: